GB1045591A - Improvements in or relating to coating of particles - Google Patents

Improvements in or relating to coating of particles

Info

Publication number
GB1045591A
GB1045591A GB16301/63A GB1630163A GB1045591A GB 1045591 A GB1045591 A GB 1045591A GB 16301/63 A GB16301/63 A GB 16301/63A GB 1630163 A GB1630163 A GB 1630163A GB 1045591 A GB1045591 A GB 1045591A
Authority
GB
United Kingdom
Prior art keywords
hydrocarbon
particles
hydrogen
coated
carbon
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB16301/63A
Inventor
Kenneth Wallace Carley-Macauly
Gwilym Handel Williams
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
UK Atomic Energy Authority
Original Assignee
UK Atomic Energy Authority
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by UK Atomic Energy Authority filed Critical UK Atomic Energy Authority
Priority to GB16301/63A priority Critical patent/GB1045591A/en
Priority to FR966747A priority patent/FR1384545A/en
Priority to NL6402748A priority patent/NL6402748A/xx
Priority to BE645422A priority patent/BE645422A/xx
Priority to AT321564A priority patent/AT253069B/en
Priority to CH542964A priority patent/CH429361A/en
Priority to LU45965A priority patent/LU45965A1/xx
Publication of GB1045591A publication Critical patent/GB1045591A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/009—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone characterised by the material treated
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
    • B01J2/006—Coating of the granules without description of the process or the device by which the granules are obtained
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00—Carbon; Compounds thereof
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
    • C04B41/4505—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements characterised by the method of application
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
    • C04B41/4584—Coating or impregnating of particulate or fibrous ceramic material
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
    • C04B41/81—Coating or impregnation
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
    • C23C16/22—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the deposition of inorganic material, other than metallic material
    • C23C16/26—Deposition of carbon only
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C3/00—Reactor fuel elements and their assemblies; Selection of substances for use as reactor fuel elements
    • G21C3/42—Selection of substances for use as reactor fuel
    • G21C3/58—Solid reactor fuel Pellets made of fissile material
    • G21C3/62—Ceramic fuel
    • G21C3/626—Coated fuel particles
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
    • C04B2111/00862—Uses not provided for elsewhere in C04B2111/00 for nuclear applications, e.g. ray-absorbing concrete
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00—Energy generation of nuclear origin
    • Y02E30/30—Nuclear fission reactors

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • High Energy & Nuclear Physics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)

Abstract

Particulate material such as uranium carbide or carbon is coated with pyrolytic carbon by heating the particles in a fluidized bed using a mixed gas flow of hydrocarbon and hydrogen. The hydrocarbon may be methane, propane or benzene the gas mixture may be supplied to a graphite reaction vessel through concentric tubes, the inner carrying mixed gas and the outer annular passage additional hydrogen. Flow rates and reaction temperatures &c. are tabulated. The coated uranium carbide is suitable for use as reactor fuel.ALSO:Carbon is coated with pyrolytic carbon by heating the particles in a fluidized bed using a mixed gas flow of a hydrocarbon and hydrogen. The hydrocarbon may be methane, propane or benzene. The gas mixture may be supplied to a graphite reaction vessel through concentric tubes, the inner carrying mixed gases, and the outer annular passage additional hydrogen. Flow rates and reaction temperatures &c. are tabulated.
GB16301/63A 1963-04-25 1963-04-25 Improvements in or relating to coating of particles Expired GB1045591A (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
GB16301/63A GB1045591A (en) 1963-04-25 1963-04-25 Improvements in or relating to coating of particles
FR966747A FR1384545A (en) 1963-04-25 1964-03-10 Process for pyrolytic carbon deposition
NL6402748A NL6402748A (en) 1963-04-25 1964-03-16
BE645422A BE645422A (en) 1963-04-25 1964-03-19
AT321564A AT253069B (en) 1963-04-25 1964-04-13 Method of coating particles
CH542964A CH429361A (en) 1963-04-25 1964-04-23 Process for forming a carbon coating on particles
LU45965A LU45965A1 (en) 1963-04-25 1964-04-25

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB16301/63A GB1045591A (en) 1963-04-25 1963-04-25 Improvements in or relating to coating of particles

Publications (1)

Publication Number Publication Date
GB1045591A true GB1045591A (en) 1966-10-12

Family

ID=10074846

Family Applications (1)

Application Number Title Priority Date Filing Date
GB16301/63A Expired GB1045591A (en) 1963-04-25 1963-04-25 Improvements in or relating to coating of particles

Country Status (6)

Country Link
AT (1) AT253069B (en)
BE (1) BE645422A (en)
CH (1) CH429361A (en)
GB (1) GB1045591A (en)
LU (1) LU45965A1 (en)
NL (1) NL6402748A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0201696A2 (en) * 1985-03-20 1986-11-20 Sharp Kabushiki Kaisha Production of carbon films

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0201696A2 (en) * 1985-03-20 1986-11-20 Sharp Kabushiki Kaisha Production of carbon films
EP0201696A3 (en) * 1985-03-20 1987-02-04 Sharp Kabushiki Kaisha Production of carbon films, graphite intercalation compound and doped carbon films

Also Published As

Publication number Publication date
NL6402748A (en) 1964-10-27
AT253069B (en) 1967-03-28
BE645422A (en) 1964-09-21
CH429361A (en) 1967-01-31
LU45965A1 (en) 1964-06-25

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